220 lines
9.1 KiB
Java
220 lines
9.1 KiB
Java
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/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @summary IndexOutOfBoundsException check index tests
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* @run testng CheckIndex
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* @bug 8135248
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*/
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import org.testng.annotations.DataProvider;
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import org.testng.annotations.Test;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Objects;
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import java.util.function.BiConsumer;
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import java.util.function.BiFunction;
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import java.util.function.IntSupplier;
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import static org.testng.Assert.*;
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public class CheckIndex {
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static class AssertingOutOfBoundsException extends RuntimeException {
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}
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static BiFunction<Integer, Integer, AssertingOutOfBoundsException> assertingOutOfBounds(
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int expFromIndex, int expToIndexOrSizeOrLength) {
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return (fromIndex, toIndexOrSizeorLength) -> {
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assertEquals(fromIndex, Integer.valueOf(expFromIndex));
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assertEquals(toIndexOrSizeorLength, Integer.valueOf(expToIndexOrSizeOrLength));
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return new AssertingOutOfBoundsException();
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};
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}
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static final int[] VALUES = {0, 1, Integer.MAX_VALUE - 1, Integer.MAX_VALUE, -1, Integer.MIN_VALUE + 1, Integer.MIN_VALUE};
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@DataProvider
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static Object[][] checkIndexProvider() {
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List<Object[]> l = new ArrayList<>();
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for (int index : VALUES) {
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for (int length : VALUES) {
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boolean withinBounds = index >= 0 &&
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length >= 0 &&
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index < length;
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l.add(new Object[]{index, length, withinBounds});
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}
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}
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return l.toArray(new Object[0][0]);
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}
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interface X {
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int apply(int a, int b, int c);
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}
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@Test(dataProvider = "checkIndexProvider")
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public void testCheckIndex(int index, int length, boolean withinBounds) {
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BiConsumer<Class<? extends RuntimeException>, IntSupplier> check = (ec, s) -> {
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try {
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int rIndex = s.getAsInt();
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if (!withinBounds)
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fail(String.format(
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"Index %d is out of bounds of [0, %d), but was reported to be within bounds", index, length));
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assertEquals(rIndex, index);
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}
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catch (RuntimeException e) {
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assertTrue(ec.isInstance(e));
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if (withinBounds)
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fail(String.format(
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"Index %d is within bounds of [0, %d), but was reported to be out of bounds", index, length));
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}
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};
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check.accept(AssertingOutOfBoundsException.class,
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() -> Objects.checkIndex(index, length, assertingOutOfBounds(index, length)));
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check.accept(IndexOutOfBoundsException.class,
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() -> Objects.checkIndex(index, length, null));
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check.accept(IndexOutOfBoundsException.class,
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() -> Objects.checkIndex(index, length));
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}
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@DataProvider
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static Object[][] checkFromToIndexProvider() {
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List<Object[]> l = new ArrayList<>();
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for (int fromIndex : VALUES) {
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for (int toIndex : VALUES) {
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for (int length : VALUES) {
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boolean withinBounds = fromIndex >= 0 &&
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toIndex >= 0 &&
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length >= 0 &&
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fromIndex <= toIndex &&
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toIndex <= length;
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l.add(new Object[]{fromIndex, toIndex, length, withinBounds});
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}
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}
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}
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return l.toArray(new Object[0][0]);
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}
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@Test(dataProvider = "checkFromToIndexProvider")
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public void testCheckFromToIndex(int fromIndex, int toIndex, int length, boolean withinBounds) {
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BiConsumer<Class<? extends RuntimeException>, IntSupplier> check = (ec, s) -> {
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try {
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int rIndex = s.getAsInt();
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if (!withinBounds)
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fail(String.format(
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"Range [%d, %d) is out of bounds of [0, %d), but was reported to be withing bounds", fromIndex, toIndex, length));
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assertEquals(rIndex, fromIndex);
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}
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catch (RuntimeException e) {
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assertTrue(ec.isInstance(e));
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if (withinBounds)
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fail(String.format(
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"Range [%d, %d) is within bounds of [0, %d), but was reported to be out of bounds", fromIndex, toIndex, length));
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}
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};
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check.accept(AssertingOutOfBoundsException.class,
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() -> Objects.checkFromToIndex(fromIndex, toIndex, length, assertingOutOfBounds(fromIndex, toIndex)));
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check.accept(IndexOutOfBoundsException.class,
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() -> Objects.checkFromToIndex(fromIndex, toIndex, length, null));
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check.accept(IndexOutOfBoundsException.class,
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() -> Objects.checkFromToIndex(fromIndex, toIndex, length));
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}
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@DataProvider
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static Object[][] checkFromIndexSizeProvider() {
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List<Object[]> l = new ArrayList<>();
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for (int fromIndex : VALUES) {
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for (int size : VALUES) {
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for (int length : VALUES) {
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// Explicitly convert to long
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long lFromIndex = fromIndex;
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long lSize = size;
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long lLength = length;
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// Avoid overflow
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long lToIndex = lFromIndex + lSize;
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boolean withinBounds = lFromIndex >= 0L &&
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lSize >= 0L &&
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lLength >= 0L &&
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lFromIndex <= lToIndex &&
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lToIndex <= lLength;
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l.add(new Object[]{fromIndex, size, length, withinBounds});
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}
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}
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}
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return l.toArray(new Object[0][0]);
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}
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@Test(dataProvider = "checkFromIndexSizeProvider")
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public void testCheckFromIndexSize(int fromIndex, int size, int length, boolean withinBounds) {
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BiConsumer<Class<? extends RuntimeException>, IntSupplier> check = (ec, s) -> {
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try {
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int rIndex = s.getAsInt();
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if (!withinBounds)
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fail(String.format(
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"Range [%d, %d + %d) is out of bounds of [0, %d), but was reported to be withing bounds", fromIndex, fromIndex, size, length));
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assertEquals(rIndex, fromIndex);
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}
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catch (RuntimeException e) {
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assertTrue(ec.isInstance(e));
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if (withinBounds)
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fail(String.format(
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"Range [%d, %d + %d) is within bounds of [0, %d), but was reported to be out of bounds", fromIndex, fromIndex, size, length));
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}
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};
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check.accept(AssertingOutOfBoundsException.class,
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() -> Objects.checkFromIndexSize(fromIndex, size, length, assertingOutOfBounds(fromIndex, size)));
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check.accept(IndexOutOfBoundsException.class,
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() -> Objects.checkFromIndexSize(fromIndex, size, length, null));
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check.accept(IndexOutOfBoundsException.class,
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() -> Objects.checkFromIndexSize(fromIndex, size, length));
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}
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@Test
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public void checkIndexOutOfBoundsExceptionConstructors() {
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BiConsumer<Class<? extends RuntimeException>, IntSupplier> check = (ec, s) -> {
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try {
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s.getAsInt();
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fail("Runtime exception expected");
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}
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catch (RuntimeException e) {
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assertTrue(ec.isInstance(e));
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}
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};
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check.accept(IndexOutOfBoundsException.class,
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() -> Objects.checkIndex(1, 0, IndexOutOfBoundsException::new));
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check.accept(StringIndexOutOfBoundsException.class,
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() -> Objects.checkIndex(1, 0, StringIndexOutOfBoundsException::new));
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check.accept(ArrayIndexOutOfBoundsException.class,
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() -> Objects.checkIndex(1, 0, ArrayIndexOutOfBoundsException::new));
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}
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}
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